oj.uz

Submission #445970

# Submission time Handle Problem Language Result Execution time Memory
445970 2021-07-20T09:59:57 Z dutch Crossing (JOI21_crossing) C++17
100 / 100
 1830 ms 37576 KB 
#include <bits/stdc++.h>
using namespace std;
#define get(c) (c == 'I' ? 2 : c == 'O')

const int LIM = 1<<18;

int n, q, l, r, p[3][9][LIM];
string s[10];

short a[2*LIM], v;
bool b[9][2*LIM];

void pull(int x, int lx, int rx){
	for(int i=0; i<9; ++i){
		if(a[x] == 3){
			assert(2*x+2 < 2*LIM);
			b[i][x] = b[i][2*x+1] && b[i][2*x+2];
		}else{
			int sum = p[a[x]][i][rx-1] - (lx ? p[a[x]][i][lx-1] : 0);
			b[i][x] = sum == rx - lx;
		}
	}
}

void build(int x, int lx, int rx){
	if(rx - lx < 2){
		a[x] = get(s[9][lx]);
		pull(x, lx, rx);
		return;
	}
	int mx = (lx + rx) / 2;
	build(2*x+1, lx, mx);
	build(2*x+2, mx, rx);
	pull(x, lx, rx);
}

void rangeAssign(int x, int lx, int rx){
	if(r<=lx || rx<=l) return;
	if(l<=lx && rx<=r){
		a[x] = v;
		pull(x, lx, rx);
		return;
	}
	int mx = (lx + rx) / 2;
	if(a[x] < 3){
		a[2*x+1] = a[2*x+2] = a[x];
		a[x] = 3;
		pull(2*x+1, lx, mx);
		pull(2*x+2, mx, rx);
		pull(x, lx, rx);
	}
	rangeAssign(2*x+1, lx, mx);
	rangeAssign(2*x+2, mx, rx);
	pull(x, lx, rx);
}

void print(){
	for(int i=0; i<9; ++i) if(b[i][0]) return void(cout << "Yes\n");
	cout << "No\n";
}

string comb(string &x, string &y){
	string z(n, 0);
	for(int i=0; i<n; ++i){
		z[i] = x[i] == y[i] ? x[i] : 226 - x[i] - y[i];
	}
	return z;
}

signed main(){
	cin.tie(0)->sync_with_stdio(0);

	cin >> n;

	cin >> s[0] >> s[1] >> s[2];

	s[3] = comb(s[1], s[2]);
	s[4] = comb(s[0], s[2]);
	s[5] = comb(s[0], s[1]);

	for(int i=0; i<3; ++i){
		s[6+i] = comb(s[i], s[3+i]);
	}

	fill(a, a+2*LIM, 3);

	cin >> q >> s[9];
	for(int i=0; i<10; ++i){
		s[i] += string(LIM-n, 'J');
	}
	for(int i=0; i<3; ++i){
		for(int j=0; j<9; ++j){
			int pre = 0;
			for(int k=0; k<LIM; ++k){
				pre += get(s[j][k]) == i;
				p[i][j][k] = pre;
			}
		}
	}

	build(0, 0, LIM);

	char inp;
	print();
	while(q--){
		cin >> l >> r >> inp;
		--l; v = get(inp);
		rangeAssign(0, 0, LIM);
		print();
	}
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 460 ms 37244 KB Output is correct
2 Correct 512 ms 37272 KB Output is correct
3 Correct 537 ms 37316 KB Output is correct
4 Correct 408 ms 37252 KB Output is correct
5 Correct 402 ms 37240 KB Output is correct
6 Correct 396 ms 37376 KB Output is correct
7 Correct 416 ms 37352 KB Output is correct
8 Correct 414 ms 37288 KB Output is correct
9 Correct 419 ms 37280 KB Output is correct
10 Correct 418 ms 37316 KB Output is correct
11 Correct 414 ms 37196 KB Output is correct
12 Correct 407 ms 37292 KB Output is correct
13 Correct 412 ms 37312 KB Output is correct
14 Correct 411 ms 37284 KB Output is correct
15 Correct 431 ms 37344 KB Output is correct
16 Correct 409 ms 37240 KB Output is correct
17 Correct 415 ms 37440 KB Output is correct
18 Correct 528 ms 37404 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 460 ms 37244 KB Output is correct
2 Correct 512 ms 37272 KB Output is correct
3 Correct 537 ms 37316 KB Output is correct
4 Correct 408 ms 37252 KB Output is correct
5 Correct 402 ms 37240 KB Output is correct
6 Correct 396 ms 37376 KB Output is correct
7 Correct 416 ms 37352 KB Output is correct
8 Correct 414 ms 37288 KB Output is correct
9 Correct 419 ms 37280 KB Output is correct
10 Correct 418 ms 37316 KB Output is correct
11 Correct 414 ms 37196 KB Output is correct
12 Correct 407 ms 37292 KB Output is correct
13 Correct 412 ms 37312 KB Output is correct
14 Correct 411 ms 37284 KB Output is correct
15 Correct 431 ms 37344 KB Output is correct
16 Correct 409 ms 37240 KB Output is correct
17 Correct 415 ms 37440 KB Output is correct
18 Correct 528 ms 37404 KB Output is correct
19 Correct 1655 ms 37224 KB Output is correct
20 Correct 1415 ms 37084 KB Output is correct
21 Correct 565 ms 37376 KB Output is correct
22 Correct 624 ms 37132 KB Output is correct
23 Correct 402 ms 37228 KB Output is correct
24 Correct 444 ms 37436 KB Output is correct
25 Correct 594 ms 37116 KB Output is correct
26 Correct 680 ms 37148 KB Output is correct
27 Correct 888 ms 37172 KB Output is correct
28 Correct 886 ms 37160 KB Output is correct
29 Correct 816 ms 37304 KB Output is correct
30 Correct 538 ms 37128 KB Output is correct
31 Correct 841 ms 37252 KB Output is correct
32 Correct 778 ms 37168 KB Output is correct
33 Correct 422 ms 37328 KB Output is correct
34 Correct 842 ms 37144 KB Output is correct
35 Correct 525 ms 37096 KB Output is correct
36 Correct 395 ms 37420 KB Output is correct
37 Correct 408 ms 37432 KB Output is correct
38 Correct 1325 ms 37448 KB Output is correct
39 Correct 375 ms 37104 KB Output is correct
40 Correct 569 ms 37424 KB Output is correct
41 Correct 1830 ms 37424 KB Output is correct
42 Correct 287 ms 37356 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 460 ms 37244 KB Output is correct
2 Correct 512 ms 37272 KB Output is correct
3 Correct 537 ms 37316 KB Output is correct
4 Correct 408 ms 37252 KB Output is correct
5 Correct 402 ms 37240 KB Output is correct
6 Correct 396 ms 37376 KB Output is correct
7 Correct 416 ms 37352 KB Output is correct
8 Correct 414 ms 37288 KB Output is correct
9 Correct 419 ms 37280 KB Output is correct
10 Correct 418 ms 37316 KB Output is correct
11 Correct 414 ms 37196 KB Output is correct
12 Correct 407 ms 37292 KB Output is correct
13 Correct 412 ms 37312 KB Output is correct
14 Correct 411 ms 37284 KB Output is correct
15 Correct 431 ms 37344 KB Output is correct
16 Correct 409 ms 37240 KB Output is correct
17 Correct 415 ms 37440 KB Output is correct
18 Correct 528 ms 37404 KB Output is correct
19 Correct 460 ms 37188 KB Output is correct
20 Correct 562 ms 37432 KB Output is correct
21 Correct 398 ms 37296 KB Output is correct
22 Correct 376 ms 37380 KB Output is correct
23 Correct 415 ms 37392 KB Output is correct
24 Correct 433 ms 37200 KB Output is correct
25 Correct 444 ms 37364 KB Output is correct
26 Correct 406 ms 37344 KB Output is correct
27 Correct 443 ms 37368 KB Output is correct
28 Correct 391 ms 37188 KB Output is correct
29 Correct 409 ms 37312 KB Output is correct
30 Correct 382 ms 37256 KB Output is correct
31 Correct 428 ms 37268 KB Output is correct
32 Correct 407 ms 37312 KB Output is correct
33 Correct 411 ms 37244 KB Output is correct
34 Correct 388 ms 37248 KB Output is correct
35 Correct 406 ms 37244 KB Output is correct
36 Correct 420 ms 37324 KB Output is correct
37 Correct 404 ms 37224 KB Output is correct
38 Correct 415 ms 37200 KB Output is correct
39 Correct 406 ms 37228 KB Output is correct
40 Correct 441 ms 37308 KB Output is correct
41 Correct 407 ms 37252 KB Output is correct
42 Correct 414 ms 37348 KB Output is correct
43 Correct 441 ms 37256 KB Output is correct
44 Correct 413 ms 37292 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 460 ms 37244 KB Output is correct
2 Correct 512 ms 37272 KB Output is correct
3 Correct 537 ms 37316 KB Output is correct
4 Correct 408 ms 37252 KB Output is correct
5 Correct 402 ms 37240 KB Output is correct
6 Correct 396 ms 37376 KB Output is correct
7 Correct 416 ms 37352 KB Output is correct
8 Correct 414 ms 37288 KB Output is correct
9 Correct 419 ms 37280 KB Output is correct
10 Correct 418 ms 37316 KB Output is correct
11 Correct 414 ms 37196 KB Output is correct
12 Correct 407 ms 37292 KB Output is correct
13 Correct 412 ms 37312 KB Output is correct
14 Correct 411 ms 37284 KB Output is correct
15 Correct 431 ms 37344 KB Output is correct
16 Correct 409 ms 37240 KB Output is correct
17 Correct 415 ms 37440 KB Output is correct
18 Correct 528 ms 37404 KB Output is correct
19 Correct 1655 ms 37224 KB Output is correct
20 Correct 1415 ms 37084 KB Output is correct
21 Correct 565 ms 37376 KB Output is correct
22 Correct 624 ms 37132 KB Output is correct
23 Correct 402 ms 37228 KB Output is correct
24 Correct 444 ms 37436 KB Output is correct
25 Correct 594 ms 37116 KB Output is correct
26 Correct 680 ms 37148 KB Output is correct
27 Correct 888 ms 37172 KB Output is correct
28 Correct 886 ms 37160 KB Output is correct
29 Correct 816 ms 37304 KB Output is correct
30 Correct 538 ms 37128 KB Output is correct
31 Correct 841 ms 37252 KB Output is correct
32 Correct 778 ms 37168 KB Output is correct
33 Correct 422 ms 37328 KB Output is correct
34 Correct 842 ms 37144 KB Output is correct
35 Correct 525 ms 37096 KB Output is correct
36 Correct 395 ms 37420 KB Output is correct
37 Correct 408 ms 37432 KB Output is correct
38 Correct 1325 ms 37448 KB Output is correct
39 Correct 375 ms 37104 KB Output is correct
40 Correct 569 ms 37424 KB Output is correct
41 Correct 1830 ms 37424 KB Output is correct
42 Correct 287 ms 37356 KB Output is correct
43 Correct 460 ms 37188 KB Output is correct
44 Correct 562 ms 37432 KB Output is correct
45 Correct 398 ms 37296 KB Output is correct
46 Correct 376 ms 37380 KB Output is correct
47 Correct 415 ms 37392 KB Output is correct
48 Correct 433 ms 37200 KB Output is correct
49 Correct 444 ms 37364 KB Output is correct
50 Correct 406 ms 37344 KB Output is correct
51 Correct 443 ms 37368 KB Output is correct
52 Correct 391 ms 37188 KB Output is correct
53 Correct 409 ms 37312 KB Output is correct
54 Correct 382 ms 37256 KB Output is correct
55 Correct 428 ms 37268 KB Output is correct
56 Correct 407 ms 37312 KB Output is correct
57 Correct 411 ms 37244 KB Output is correct
58 Correct 388 ms 37248 KB Output is correct
59 Correct 406 ms 37244 KB Output is correct
60 Correct 420 ms 37324 KB Output is correct
61 Correct 404 ms 37224 KB Output is correct
62 Correct 415 ms 37200 KB Output is correct
63 Correct 406 ms 37228 KB Output is correct
64 Correct 441 ms 37308 KB Output is correct
65 Correct 407 ms 37252 KB Output is correct
66 Correct 414 ms 37348 KB Output is correct
67 Correct 441 ms 37256 KB Output is correct
68 Correct 413 ms 37292 KB Output is correct
69 Correct 1374 ms 37104 KB Output is correct
70 Correct 1546 ms 37140 KB Output is correct
71 Correct 408 ms 37452 KB Output is correct
72 Correct 435 ms 37204 KB Output is correct
73 Correct 427 ms 37284 KB Output is correct
74 Correct 544 ms 37576 KB Output is correct
75 Correct 400 ms 37320 KB Output is correct
76 Correct 601 ms 37180 KB Output is correct
77 Correct 663 ms 37168 KB Output is correct
78 Correct 429 ms 37324 KB Output is correct
79 Correct 406 ms 37184 KB Output is correct
80 Correct 625 ms 37148 KB Output is correct
81 Correct 408 ms 37408 KB Output is correct
82 Correct 612 ms 37268 KB Output is correct
83 Correct 666 ms 37136 KB Output is correct
84 Correct 415 ms 37452 KB Output is correct
85 Correct 407 ms 37460 KB Output is correct
86 Correct 950 ms 37316 KB Output is correct
87 Correct 911 ms 37200 KB Output is correct
88 Correct 488 ms 37280 KB Output is correct
89 Correct 764 ms 37092 KB Output is correct
90 Correct 829 ms 37140 KB Output is correct
91 Correct 465 ms 37440 KB Output is correct
92 Correct 533 ms 37120 KB Output is correct
93 Correct 416 ms 37360 KB Output is correct
94 Correct 414 ms 37400 KB Output is correct
95 Correct 410 ms 37320 KB Output is correct
96 Correct 1318 ms 37264 KB Output is correct
97 Correct 362 ms 37224 KB Output is correct
98 Correct 573 ms 37284 KB Output is correct
99 Correct 1749 ms 37296 KB Output is correct
100 Correct 298 ms 37296 KB Output is correct